[
  {
    "op": "CALLER",
    "value": "0x33",
    "description": "return 0x5d48c1018904a172886829bbbd9c6f4a2d06c47b",
    "environment": {
      "caller": "0x5d48c1018904a172886829bbbd9c6f4a2d06c47b",
      "callData": "0x00",
      "address": "0x0000000000000000000000000000000000000000",
      "coinbase": "0x0000000000000000000000000000000000000000"
    },
    "in": {
      "stack": []
    },
    "out": {
      "stack": [
        "0x0000000000000000000000005d48c1018904a172886829bbbd9c6f4a2d06c47b"
      ]
    }
  }
]